docs: def _storage_list_buckets(project, pattern):
    """ List all storage buckets that match a pattern. """
    data = [{'Bucket': 'gs://' + bucket.name, 'Created': bucket.metadata.created_on}
            for bucket in datalab.storage.Buckets(project_id=project)
            if fnmatch.fnmatch(bucket.name, pattern)]
    return datalab.utils.commands.render_dictionary(data, ['Bucket', 'Created'])